001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.Random;
006    
007    public class BlockStem extends BlockFlower
008    {
009        /** Defines if it is a Melon or a Pumpkin that the stem is producing. */
010        private Block fruitType;
011    
012        protected BlockStem(int par1, Block par2Block)
013        {
014            super(par1, 111);
015            this.fruitType = par2Block;
016            this.setTickRandomly(true);
017            float var3 = 0.125F;
018            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3);
019            this.setCreativeTab((CreativeTabs)null);
020        }
021    
022        /**
023         * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
024         * blockID passed in. Args: blockID
025         */
026        protected boolean canThisPlantGrowOnThisBlockID(int par1)
027        {
028            return par1 == Block.tilledField.blockID;
029        }
030    
031        /**
032         * Ticks the block if it's been scheduled
033         */
034        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
035        {
036            super.updateTick(par1World, par2, par3, par4, par5Random);
037    
038            if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
039            {
040                float var6 = this.getGrowthModifier(par1World, par2, par3, par4);
041    
042                if (par5Random.nextInt((int)(25.0F / var6) + 1) == 0)
043                {
044                    int var7 = par1World.getBlockMetadata(par2, par3, par4);
045    
046                    if (var7 < 7)
047                    {
048                        ++var7;
049                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var7);
050                    }
051                    else
052                    {
053                        if (par1World.getBlockId(par2 - 1, par3, par4) == this.fruitType.blockID)
054                        {
055                            return;
056                        }
057    
058                        if (par1World.getBlockId(par2 + 1, par3, par4) == this.fruitType.blockID)
059                        {
060                            return;
061                        }
062    
063                        if (par1World.getBlockId(par2, par3, par4 - 1) == this.fruitType.blockID)
064                        {
065                            return;
066                        }
067    
068                        if (par1World.getBlockId(par2, par3, par4 + 1) == this.fruitType.blockID)
069                        {
070                            return;
071                        }
072    
073                        int var8 = par5Random.nextInt(4);
074                        int var9 = par2;
075                        int var10 = par4;
076    
077                        if (var8 == 0)
078                        {
079                            var9 = par2 - 1;
080                        }
081    
082                        if (var8 == 1)
083                        {
084                            ++var9;
085                        }
086    
087                        if (var8 == 2)
088                        {
089                            var10 = par4 - 1;
090                        }
091    
092                        if (var8 == 3)
093                        {
094                            ++var10;
095                        }
096    
097                        int var11 = par1World.getBlockId(var9, par3 - 1, var10);
098    
099                        if (par1World.getBlockId(var9, par3, var10) == 0 && (var11 == Block.tilledField.blockID || var11 == Block.dirt.blockID || var11 == Block.grass.blockID))
100                        {
101                            par1World.setBlockWithNotify(var9, par3, var10, this.fruitType.blockID);
102                        }
103                    }
104                }
105            }
106        }
107    
108        public void fertilizeStem(World par1World, int par2, int par3, int par4)
109        {
110            par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
111        }
112    
113        private float getGrowthModifier(World par1World, int par2, int par3, int par4)
114        {
115            float var5 = 1.0F;
116            int var6 = par1World.getBlockId(par2, par3, par4 - 1);
117            int var7 = par1World.getBlockId(par2, par3, par4 + 1);
118            int var8 = par1World.getBlockId(par2 - 1, par3, par4);
119            int var9 = par1World.getBlockId(par2 + 1, par3, par4);
120            int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
121            int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
122            int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
123            int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
124            boolean var14 = var8 == this.blockID || var9 == this.blockID;
125            boolean var15 = var6 == this.blockID || var7 == this.blockID;
126            boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID;
127    
128            for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17)
129            {
130                for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18)
131                {
132                    int var19 = par1World.getBlockId(var17, par3 - 1, var18);
133                    float var20 = 0.0F;
134    
135                    if (var19 == Block.tilledField.blockID)
136                    {
137                        var20 = 1.0F;
138    
139                        if (par1World.getBlockMetadata(var17, par3 - 1, var18) > 0)
140                        {
141                            var20 = 3.0F;
142                        }
143                    }
144    
145                    if (var17 != par2 || var18 != par4)
146                    {
147                        var20 /= 4.0F;
148                    }
149    
150                    var5 += var20;
151                }
152            }
153    
154            if (var16 || var14 && var15)
155            {
156                var5 /= 2.0F;
157            }
158    
159            return var5;
160        }
161    
162        @SideOnly(Side.CLIENT)
163    
164        /**
165         * Returns the color this block should be rendered. Used by leaves.
166         */
167        public int getRenderColor(int par1)
168        {
169            int var2 = par1 * 32;
170            int var3 = 255 - par1 * 8;
171            int var4 = par1 * 4;
172            return var2 << 16 | var3 << 8 | var4;
173        }
174    
175        @SideOnly(Side.CLIENT)
176    
177        /**
178         * Returns a integer with hex for 0xrrggbb with this color multiplied against the blocks color. Note only called
179         * when first determining what to render.
180         */
181        public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
182        {
183            return this.getRenderColor(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
184        }
185    
186        /**
187         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
188         */
189        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
190        {
191            return this.blockIndexInTexture;
192        }
193    
194        /**
195         * Sets the block's bounds for rendering it as an item
196         */
197        public void setBlockBoundsForItemRender()
198        {
199            float var1 = 0.125F;
200            this.setBlockBounds(0.5F - var1, 0.0F, 0.5F - var1, 0.5F + var1, 0.25F, 0.5F + var1);
201        }
202    
203        /**
204         * Updates the blocks bounds based on its current state. Args: world, x, y, z
205         */
206        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
207        {
208            this.maxY = (double)((float)(par1IBlockAccess.getBlockMetadata(par2, par3, par4) * 2 + 2) / 16.0F);
209            float var5 = 0.125F;
210            this.setBlockBounds(0.5F - var5, 0.0F, 0.5F - var5, 0.5F + var5, (float)this.maxY, 0.5F + var5);
211        }
212    
213        /**
214         * The type of render function that is called for this block
215         */
216        public int getRenderType()
217        {
218            return 19;
219        }
220    
221        @SideOnly(Side.CLIENT)
222    
223        /**
224         * Returns the current state of the stem. Returns -1 if the stem is not fully grown, or a value between 0 and 3
225         * based on the direction the stem is facing.
226         */
227        public int getState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
228        {
229            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
230            return var5 < 7 ? -1 : (par1IBlockAccess.getBlockId(par2 - 1, par3, par4) == this.fruitType.blockID ? 0 : (par1IBlockAccess.getBlockId(par2 + 1, par3, par4) == this.fruitType.blockID ? 1 : (par1IBlockAccess.getBlockId(par2, par3, par4 - 1) == this.fruitType.blockID ? 2 : (par1IBlockAccess.getBlockId(par2, par3, par4 + 1) == this.fruitType.blockID ? 3 : -1))));
231        }
232    
233        /**
234         * Drops the block items with a specified chance of dropping the specified items
235         */
236        public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
237        {
238            super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, par7);
239    
240            if (!par1World.isRemote)
241            {
242                Item var8 = null;
243    
244                if (this.fruitType == Block.pumpkin)
245                {
246                    var8 = Item.pumpkinSeeds;
247                }
248    
249                if (this.fruitType == Block.melon)
250                {
251                    var8 = Item.melonSeeds;
252                }
253    
254                for (int var9 = 0; var9 < 3; ++var9)
255                {
256                    if (par1World.rand.nextInt(15) <= par5)
257                    {
258                        float var10 = 0.7F;
259                        float var11 = par1World.rand.nextFloat() * var10 + (1.0F - var10) * 0.5F;
260                        float var12 = par1World.rand.nextFloat() * var10 + (1.0F - var10) * 0.5F;
261                        float var13 = par1World.rand.nextFloat() * var10 + (1.0F - var10) * 0.5F;
262                        EntityItem var14 = new EntityItem(par1World, (double)((float)par2 + var11), (double)((float)par3 + var12), (double)((float)par4 + var13), new ItemStack(var8));
263                        var14.delayBeforeCanPickup = 10;
264                        par1World.spawnEntityInWorld(var14);
265                    }
266                }
267            }
268        }
269    
270        /**
271         * Returns the ID of the items to drop on destruction.
272         */
273        public int idDropped(int par1, Random par2Random, int par3)
274        {
275            return -1;
276        }
277    
278        /**
279         * Returns the quantity of items to drop on block destruction.
280         */
281        public int quantityDropped(Random par1Random)
282        {
283            return 1;
284        }
285    
286        @SideOnly(Side.CLIENT)
287    
288        /**
289         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
290         */
291        public int idPicked(World par1World, int par2, int par3, int par4)
292        {
293            return this.fruitType == Block.pumpkin ? Item.pumpkinSeeds.shiftedIndex : (this.fruitType == Block.melon ? Item.melonSeeds.shiftedIndex : 0);
294        }
295    }